CBSE 2024 · Region 1 · Set 2 · Q16 · 1 mark
Let $\displaystyle \mathrm{f}(\mathrm{x})$ be a continuous function on $\displaystyle [\mathrm{a}, \mathrm{b}]$ and differentiable on $\displaystyle (\mathrm{a}, \mathrm{b})$. Then, this function $\displaystyle \mathrm{f}(\mathrm{x})$ is strictly increasing in $\displaystyle (\mathrm{a}, \mathrm{b})$ if
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \mathrm{f}^{\prime}(\mathrm{x})>0, \forall \mathrm{x} \in(\mathrm{a}, \mathrm{b})$
Application of DerivativesIncreasing and Decreasing FunctionsUnderstandmcqeasy
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CBSE Class 12 Mathematics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.